xfs: Propagate errors from xfs_reflink_cancel_cow_range in xfs_dax_write_iomap_end

commit fb95897b8c upstream.

In xfs_dax_write_iomap_end(), directly return the result of
xfs_reflink_cancel_cow_range() when !written, ensuring proper
error propagation and improving code robustness.

Fixes: ea6c49b784 ("xfs: support CoW in fsdax mode")
Cc: stable@vger.kernel.org # v6.0
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wentao Liang 2025-01-24 11:22:28 +08:00 committed by Greg Kroah-Hartman
parent 88678371a5
commit a5e7a81e3a

View File

@ -942,10 +942,8 @@ xfs_dax_write_iomap_end(
if (!xfs_is_cow_inode(ip))
return 0;
if (!written) {
xfs_reflink_cancel_cow_range(ip, pos, length, true);
return 0;
}
if (!written)
return xfs_reflink_cancel_cow_range(ip, pos, length, true);
return xfs_reflink_end_cow(ip, pos, written);
}